.main{
    position: absolute;
    top: 0px;
    bottom: 0;
    width: 100%;
    overflow: auto;
}
.search_box{
    margin-top: 20px;
    padding-bottom: 20px;
    border-bottom: 1px solid #dadada;
}
.search_box>div{
    width: 50%;
    margin-left: 10%;
}
.search_box>button{
    background: #5cb85c;
    color: #fff;
}
.tree{
    width: 100%;
    height: 100%;
    background: #446799;
}
.searchResult{
    width: 100%;
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
}
.searchResult>li{
    position: relative;
    width: 45%;
    border: 1px solid #bbbbbb;
    font-size: 0;
    padding: 10px 0;
    margin-bottom: 10px;
}
.HeadPortrait{
    display: inline-block;
    width: 40%;
    text-align: center;
    vertical-align: middle;
}
.HeadPortrait>img{
    width: 70%;
    -webkit-border-radius: 50%;
    -moz-border-radius: 50%;
    border-radius: 50%;
}
.FriendInformation{
    display: inline-block;
    width: 60%;
    font-size: 14px;
    vertical-align: middle;
}
.FriendInformation>p{
    width: 80%;
    overflow: hidden; 
    text-overflow: ellipsis;
    white-space: nowrap;
    font-weight: bold;
}
.FriendInformation>p:nth-child(1){
    width: 50%;
}
.FriendInformation>p:nth-child(2){
    margin: 3% 0;
}
.FriendInformation>p:nth-child(3)>i{
    margin-right: 2%;
}
.addfriend{
    position: absolute;
    top: 10%;
    right: 5%;
}
.addfriend>button{
    font-weight: bold;
    background: #4eaf4d;
}
.tree_box{
    margin-top: 3px;
    padding-left: .5%;
}
.search_main{
    margin-top: 10px;
    overflow: auto;
}